Juan Leal Gonzalez

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Monterrey, MX

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Patents Grantslast 30 patents

Information Patent Grant
Method of making proppant used in gas or oil extraction
- Patent number 8,022,019
- Issue date Sep 20, 2011
- Unimin Corporation
- David John Rush
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MAKING PROPPANT USED IN GAS OR OIL EXTRACTION
- Publication number 20100197532
- Publication date Aug 5, 2010
- Unimin Corporation
- David John Rush
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...